03878 Frequently Asked Questions

A: ZIP Code 03878 is Located in Somersworth New Hampshire.

A: ZIP Code 03878 is Located Entirely in Strafford County New Hampshire.

A: The Area Codes for 03878 are 207 and 603

A: ZIP Code 03878 is in the New Hampshire 1st Congressional District.

A: ZIP Code 03878 is in New Hampshire House of Representatives District Strafford 12.

A: ZIP Code 03878 is in New Hampshire State Senate District 4.

A: The 2022 population of ZIP Code 03878 is 12088. The population growth rate in 03878 is 1.74%. The population density of 03878 is 1,225.

A: The majority race/ethnicity of people residing in 03878 is White (88.79%). The majority race/ethnicity of students attending public schools in 03878 is White(76.51%).

A: The median household income in 03878 is $68,909 (2021) and the average adjusted income is $341,870 (2021).